function sight accessoires

[yana]

Whats the use of all those sight accessoiries like:
- coloured front sight inserts?
- coloured rear sight adjustables
- those :
http://www.schuetzenwelt.de/Waffenzubeh ... n-M18.html

[Center10]

Hi there, Depending on the lighting conditions the colored filters will help sharpen the contrast of the target.

Best,
Bob